Home / 932,352.90-1,287,238.46-638,494.52

Finding the Fourth Proportional to 932,352.90, 1,287,238.46 and 638,494.52

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Solution

The fourth proportional to 932,352.90, 1,287,238.46 and 638,494.52 is: 881,527.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,352.90 : 1,287,238.46 = 638,494.52 : x
  2. Step 2: Convert to fraction form
    932,352.90/1,287,238.46 = 638,494.52/x
  3. Step 3: Cross multiply
    932,352.90x = 1,287,238.46 × 638,494.52
  4. Step 4: Simplify right side
    932,352.90x = 821,894,702,643.24
  5. Step 5: Solve for x
    x = 821,894,702,643.24/932,352.90
  6. Step 6: Final answer
    x = 881,527.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.